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Steel and Composite Structures Volume 46, Number 2, January25 2023 , pages 253-261 DOI: https://doi.org/10.12989/scs.2023.46.2.253 |
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Size dependent vibration of laminated micro beams under moving load |
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Ş.D. Akbaş
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| Abstract | ||
| The goal of this paper is to investigate dynamic responses of simply-supported laminated micro beams under moving load. In the considered micro-scale problem, the modified coupled stress theory which includes the length scale parameter is used. The governing equations of problem are derived by using the Lagrange procedure. In the solution of the problem the Ritz method is used and algebraic polynomials are used with the trivial functions for the Ritz method. In the solution of the moving load problem, the Newmark average acceleration method is used in the time history. In the numerical examples, the effects of stacking sequence of laminas, fibre orientation angles and the length scale parameter on the dynamic responses of laminated micro beams are examined and discussed. | ||
| Key Words | ||
| dynamic analysis; laminated composite micro beams; modified coupled stress theory; moving load; size dependent | ||
| Address | ||
| Ş.D. Akbaş:Department of Civil Engineering, Bursa Technical University, 16330, Bursa, Turkey | ||